Analysis

  • max time kernel
    39s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-07-2022 12:42

General

  • Target

    1fd2625f418014cdb9bb1bac15eecfa1b05ad9a3000385c7a3daf3a6b1f2f650.exe

  • Size

    169KB

  • MD5

    485edc4695212c4e97cf2e841661151c

  • SHA1

    8d78e5b67eea3014f1a3530e68e7c1c21750990e

  • SHA256

    1fd2625f418014cdb9bb1bac15eecfa1b05ad9a3000385c7a3daf3a6b1f2f650

  • SHA512

    e5d520366b20bd57b1bd90abcc8e243e4a4d3f0e108c316da7ed0d6f715cc293971e616c479da5d29f09976de8f950ab8072e8fa0feaf848f2727150a86f141c

Malware Config

Extracted

Family

coldstealer

Botnet

18

C2

http://realmoneycreate.xyz/

Signatures

  • Cold Stealer

    An info stealer written in C#, first seen in Feb 2022.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fd2625f418014cdb9bb1bac15eecfa1b05ad9a3000385c7a3daf3a6b1f2f650.exe
    "C:\Users\Admin\AppData\Local\Temp\1fd2625f418014cdb9bb1bac15eecfa1b05ad9a3000385c7a3daf3a6b1f2f650.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1880-54-0x0000000000B90000-0x0000000000BC2000-memory.dmp

    Filesize

    200KB

  • memory/1880-55-0x0000000000130000-0x0000000000164000-memory.dmp

    Filesize

    208KB